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Difficulty: MediumGynecologic Oncology

A 64-year-old postmenopausal woman presents to her physician complaining of progressively worsening abdominal bloating, early satiety, and vague pelvic pressure over the past three months. She has no significant past medical history and takes no medications. Her physical examination reveals a positive fluid wave indicating ascites and a firm, immobile, irregular mass palpable in the right adnexa. Arrange the following steps in the standard diagnostic and initial therapeutic management pathway for this patient in the correct chronological sequence.

  1. 1Transvaginal ultrasonography
  2. 2Computed tomography (CT) scan of the abdomen and pelvis
  3. 3Exploratory laparotomy with tumor debulking
  4. 4Intravenous systemic chemotherapy with a platinum and taxane regimen

Answer

The correct sequence is: Transvaginal ultrasonography, followed by Computed tomography (CT) scan of the abdomen and pelvis, followed by Exploratory laparotomy with tumor debulking, and finally Intravenous systemic chemotherapy with a platinum and taxane regimen.
The standard management sequence for suspected advanced epithelial ovarian cancer in a suitable surgical candidate begins with the initial characterization of the mass via transvaginal ultrasound. This is followed by cross-sectional imaging (CT scan) for preoperative staging and surgical planning. The primary therapeutic intervention is then exploratory laparotomy for definitive diagnosis and maximal cytoreduction (tumor debulking). Finally, the pathway concludes with adjuvant systemic chemotherapy, typically utilizing a platinum and taxane combination, to treat microscopic residual disease.

Step-by-Step Solution

1
Analyze the clinical presentation
The patient's symptoms (bloating, early satiety) and physical findings (ascites, fixed adnexal mass) are highly concerning for advanced epithelial ovarian cancer.
Recognizing the likely diagnosis is essential to initiate the correct oncology pathway.
2
Select the initial imaging modality
Transvaginal ultrasonography is placed first in the sequence.
Ultrasound is the most appropriate initial modality to evaluate adnexal pathology and differentiate benign cysts from complex, potentially malignant masses.
3
Select the preoperative staging modality
CT scan of the abdomen and pelvis is placed second.
Once a malignant-appearing mass is identified on ultrasound, cross-sectional imaging is required to assess for metastases and plan the surgical approach.
4
Determine the primary intervention
Exploratory laparotomy with tumor debulking is placed third.
Definitive tissue diagnosis and maximal surgical cytoreduction form the cornerstone of initial treatment for advanced ovarian cancer in good surgical candidates.
5
Select the adjuvant therapy
Intravenous systemic chemotherapy is placed final in the sequence.
Platinum-based systemic chemotherapy is required following primary debulking surgery to treat any remaining microscopic disease.

Key Concept

The standard diagnostic and therapeutic sequence for suspected advanced epithelial ovarian cancer.
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Topics

Gynecologic Oncology

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